patas monkey Syllabification: (pa·tas mon·key)Pronunciation: /pəˈtä/Definition of patas monkey noun a central African guenon with reddish-brown fur, a black face, and a white mustache. Erythrocebus patas, family Cercopithecidae Origin: mid 18th century: patas from Senegalese French, from Wolof patapatas monkey in other Oxford dictionaries Definition of patas monkey in the British & World English dictionary